Book of Five RingsRelic
Every cards you add to your Deck, heal HP.
Is Book of Five Rings good in Slay the Spire 2?
Book of Five Rings is a common relic in Slay the Spire 2. While carried, it does the following: Every cards you add to your Deck, heal HP. It currently underperforms most relics, sitting at D tier in our Slay the Spire 2 relic rankings.
Across 30 recorded runs, decks carrying it win 17.9% of the time, comfortably clear of the 12.6% average, by 5.2%. It’s a more situational relic, showing up in just 5.8% of runs. The class that gets the most out of it is the Silent, at a 30.0% win rate. Silent players hold onto it in 11.5% of their runs.
It combos especially well with Ultimate Defend, worth a +82.1% win-rate swing together. Another strong card to run with it is Tools of the Trade, worth +48.8% to its win rate. On average it’s acquired around floor 15 of a run. Its common rarity shapes how frequently you’ll run into it.
It has 5 run wins against 23 losses in our tracked data. When runs carrying it end, the most frequent culprit is Terror Eel Elite, which closes out 10.0% of them. Read on for Book of Five Rings’s complete card, class, and threat breakdown before you decide to pick it up.
Book of Five Rings Win Rate & Pick Rate
Book of Five Rings’s 17.9% win rate clears the 12.6% all-run average by 5.2%, the gap charted below.
Run Outcomes with Book of Five Rings
Book of Five Rings has 5 wins and 25 losses over 30 tracked runs (16.7% won); abandoned runs count as losses.
- Wins 16.7%
- Losses 83.3%
Best Cards with Book of Five Rings
Ranked by win-rate lift, the best cards to run with Book of Five Rings are Ultimate Defend (+82.1%), Tools of the Trade (+48.8%), and Follow Through (+32.1%).
Ultimate Defend3 runs
Tools of the Trade3 runs
Follow Through4 runs
Prepared7 runs
Clumsy7 runs
Dagger Throw5 runsBased on small co-occurring samples — treat these as early signals, not final verdicts.
Book of Five Rings Win Rate by Class
Book of Five Rings shows up across 5 classes, led by Silent (30.0%), Necrobinder (16.7%), and Regent (16.7%) by win rate.
Book of Five Rings Details
Book of Five Rings is a common relic carried in 5.8% of runs and usually picked up around floor 15.
Every cards you add to your Deck, heal HP.
What Ends Runs with Book of Five Rings
Book of Five Rings’s most common run-enders are Terror Eel Elite (10.0%), Vantom Boss (10.0%), and Knowledge Demon Boss (10.0%).
- Terror Eel Elite10.0% of runs
- Vantom Boss10.0% of runs
- Knowledge Demon Boss10.0% of runs
- Lagavulin Matriarch Boss6.7% of runs
- Entomancer Elite6.7% of runs
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Book of Five Rings – Frequently Asked Questions
Is Book of Five Rings good in Slay the Spire 2?
Across 30 tracked runs carrying it, Book of Five Rings wins 17.9% of the time — +5.2% above the average run. Win rate reflects how often runs with the relic end in victory.
What does Book of Five Rings do in Slay the Spire 2?
Every cards you add to your Deck, heal HP.
How rare is Book of Five Rings in Slay the Spire 2?
Book of Five Rings is a Common relic, picked up in 5.8% of tracked runs.
What is the best card to use with Book of Five Rings?
In tracked runs, Book of Five Rings has performed best alongside Ultimate Defend, which lifts its win rate by +82.1% over 3 runs together.
Which class is Book of Five Rings best in?
Book of Five Rings has its highest win rate with The Silent (30.0%).
See Also
Compare Book of Five Rings with the rest of the best Slay the Spire 2 relics, cards, and classes below.